enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Punched card - Wikipedia

   en.wikipedia.org/wiki/Punched_card

   A punched card (also punch card [1] or punched-card [2]) is a piece of card stock that stores digital data using punched holes. Punched cards were once common in data processing and the control of automated machines .

3. Computer programming in the punched card era - Wikipedia

   en.wikipedia.org/wiki/Computer_programming_in...

   A single program deck, with individual subroutines marked. The markings show the effects of editing, as cards are replaced or reordered. Many early programming languages, including FORTRAN, COBOL and the various IBM assembler languages, used only the first 72 columns of a card – a tradition that traces back to the IBM 711 card reader used on the IBM 704/709/7090/7094 series (especially the ...

4. Punched card input/output - Wikipedia

   en.wikipedia.org/wiki/Punched_card_input/output

   An IBM 80-column punched card of the type most widely used in the 20th century IBM 1442 card reader/punch for 80 column cards. A computer punched card reader or just computer card reader is a computer input device used to read computer programs in either source or executable form and data from punched cards.

5. Chad (paper) - Wikipedia

   en.wikipedia.org/wiki/Chad_(paper)

   Chads from punched cards.Each chad is about 3 mm (1 ⁄ 8 in) long. Votomatic [1] voting machines of the type used in the 2000 election in Florida The chip (chad) receiver from a UNIVAC key punch Pouring chads from a jar at the Computer History Museum Asymmetrical chad produced by a railroad ticket punch

6. Keypunch - Wikipedia

   en.wikipedia.org/wiki/Keypunch

   Jacquard cards were said to be stamped or cut, rather than punched. The first Jacquard cards were stamped by hand, sometimes using a guide plate. An improvement involved placing the card between two perforated metal plates, hinged together, inserting punches according to the desired pattern, and then passing the assembly through a press to cut the card.

7. Lace card - Wikipedia

   en.wikipedia.org/wiki/Lace_card

   A lace card from the early 1970s. A lace card (also called a whoopee card, ventilator card, flyswatter card, or IBM doily [citation needed]) is a punched card with all holes punched. They were mainly used as practical jokes to cause disruption in card readers. Card readers tended to jam when a lace card was inserted, as the resulting card had ...

8. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

9. Category:Punched card - Wikipedia

   en.wikipedia.org/wiki/Category:Punched_card

   This category contains articles about punched cards and card handling equipment, including card readers, card punches, and keypunches. Subcategories This category has the following 2 subcategories, out of 2 total.